package com.yxb.consumer.controller;

import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.yxb.consumer.pojo.User;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

/**
 * @PackgeName: com.yxb.consumer.controller
 * @ClassName: ConsumerController
 * @Author: CongR
 * Date: 2021/3/16 14:26
 * project name: springcloud
 * @Version:
 * @Description:
 */
@RestController
@RequestMapping("/consumer")
@Slf4j
@DefaultProperties(defaultFallback = "defalultFallback")
public class ConsumerController {

    @Autowired
    RestTemplate restTemplate;
    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("/{id}")
//    @HystrixCommand(fallbackMethod = "queryByIdFallback")
    @HystrixCommand
    public String queryById(@PathVariable Long id) {
//        String url = "http://localhost:9091/user/8";
//        List<ServiceInstance> instances = discoveryClient.getInstances("user-service");
//        ServiceInstance serviceInstance = instances.get(0);
//        url = "http://" + serviceInstance.getHost() + ":" + serviceInstance.getPort() + "/user/" + id;
        String url = "http://user-service/user/" + id;
        return restTemplate.getForObject(url, String.class);
    }



    public String queryByIdFallback(Long id) {
        log.info("查询用户信息失败,id:{}",id);
        return "对不起,网络太拥挤了";

    }

    public String defalultFallback() {
        return "默认提示:对不起,网络太拥挤了";
    }

}
